Laboratory apparatus



FIG. 1 is a front, left and top side perspective view of an embodiment of the laboratory apparatus showing the new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right side elevational view thereof; and,

FIG. 5 is a left side elevational view thereof.

The broken lines are included for the purpose of illustrating portions of the laboratory apparatus that form no part of the claimed design. 

The ornamental design of a laboratory apparatus, as shown and described. 